1212212119 has 2 divisors, whose sum is σ = 1212212120.
Its totient is φ = 1212212118.
The previous prime is 1212212101. The next prime is 1212212123. The reversal of 1212212119 is 9112122121.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1212212119 - 27 = 1212211991 is a prime.
It is a super-2 number, since 2×12122121192 = 2938916442900940322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1212212119.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1212212219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606106059 + 606106060.
It is an arithmetic number, because the mean of its divisors is an integer number (606106060).
Almost surely, 21212212119 is an apocalyptic number.
1212212119 is a deficient number, since it is larger than the sum of its proper divisors (1).
1212212119 is an equidigital number, since it uses as much as digits as its factorization.
1212212119 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 144, while the sum is 22.
The square root of 1212212119 is about 34816.8367173125.
The cubic root of 1212212119 is about 1066.2512185606.
The spelling of 1212212119 in words is "one billion, two hundred twelve million, two hundred twelve thousand, one hundred nineteen".